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vinodincr4
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Join Date: Apr 2007
Posts: 8

ASTM A325

08/03/2008 11:28 PM

What is the equivalent standard for SS bolts- ASTM A 325 particularily in filter module connections
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Anonymous Poster
#1

Re: ASTM A325

08/03/2008 11:46 PM

Have a look at this website

It appears the closest "equivalent" will be:

ASTM A193

GR B6 410 Stainless Steel

Quenched and Tempered
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Anonymous Poster
#2
In reply to #1

Re: ASTM A325

08/04/2008 12:00 AM

Also - for a more in depth look at bolting:

Download NASA's Fastener Design Manual (~10 MB) and have a look in the Appendices for a more thorough view of bolting standards.
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Anonymous Poster
#3

Re: ASTM A325

08/04/2008 12:08 AM

Oh yeah, lastly .......

I am not sure what you mean by "filter module connections" BUT you will need to worry about stainless steel bolts galling, and also the potential for galvanic corrosion.
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oakley
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Join Date: Aug 2008
Posts: 2
#4

Re: ASTM A325

10/08/2008 11:11 AM

If you're looking for an ASTM specification, I would consider A193-B8 Class 2, which is a stainless steel carbide solution treated, strain hardened material. These bolts have a tensile strength of 125 ksi, compared to A325 with a tensile of 120 ksi.

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